The Pneumotach Amplifier is manufactured by Hans Rudolph, Inc.  Hans Rudolph offers both repair and calibration for the Pneumotach Amplifier.  Contact Hans Rudolph directly for the service to receive a Hans Rudolph Return Authorization Number (RNA) and fill out their Return Authorization Number form.  Hans Rudolph can provide information on costs and instructions on how to return products.

A Validyne transducer can be repaired or calibrated at DSI.  To have a Validyne Transducer repaired or calibrated by DSI, simply contact DSI support at support@datasci.com.